Analysis

  • max time kernel
    160s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    28-01-2022 14:16

General

  • Target

    602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8.exe

  • Size

    353KB

  • MD5

    32d964429405984c6e2da26061f6b50b

  • SHA1

    84d77f4e009f3546ccd7b04355f4da13136e1214

  • SHA256

    602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8

  • SHA512

    9977ee232d536fa655e214a41321f2d7689ee92ac6442da40285b382eca36d2cf71e7e8356f5500a15f5e513fcf057b7320f9cd029fb8de89882f97b9a422ea0

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8.exe
    "C:\Users\Admin\AppData\Local\Temp\602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8.exe
      "C:\Users\Admin\AppData\Local\Temp\602d7d9fa0c9633b232f43a107d4618e697ef365156b46d97feab00aacf5e1d8.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3808

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-119-0x00000000005E0000-0x00000000005E9000-memory.dmp
    Filesize

    36KB

  • memory/3052-121-0x0000000001450000-0x0000000001466000-memory.dmp
    Filesize

    88KB

  • memory/3808-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3808-120-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB